Add -f as an alias for --force-compile.

lib/src/options.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Set of flags and options passed to the compiler
 library dev_compiler.src.options;
 
 import 'dart:io';
 
 import 'package:args/args.dart';
@@ skipping 295 matching lines @@
       help: 'Host name or address to serve files from, e.g. --host=0.0.0.0\n'
           'to listen on all interfaces (used only when --serve is on)',
       defaultsTo: 'localhost')
   ..addOption('port',
       help: 'Port to serve files from (used only when --serve is on)',
       defaultsTo: '8080')
   ..addFlag('closure',
       help: 'Emit Closure Compiler-friendly code (experimental)',
       defaultsTo: _CLOSURE_DEFAULT)
   ..addFlag('force-compile',
-      help: 'Compile code with static errors', defaultsTo: false)
+      abbr: 'f', help: 'Compile code with static errors', defaultsTo: false)
   ..addOption('log', abbr: 'l', help: 'Logging level (defaults to warning)')
   ..addFlag('dump-info',
       abbr: 'i', help: 'Dump summary information', defaultsTo: null)
   ..addFlag('html-report',
       help: 'Output compilation results to html', defaultsTo: null)
   ..addOption('v8-binary',
       help: 'V8-based binary to run JavaScript output with (iojs, node, d8)',
       defaultsTo: 'iojs')
   ..addOption('dump-info-file',
-      abbr: 'f',
-      help: 'Dump info json file (requires dump-info)',
-      defaultsTo: null);
+      help: 'Dump info json file (requires dump-info)', defaultsTo: null);
 
 // TODO: Switch over to the `pub_cache` package (or the Resource API)?
 
 /// Tries to find the `lib/runtime/` directory of the dev_compiler package. This
 /// works when running devc from it's sources or from a snapshot that is
 /// activated via `pub global activate`.
 String _computeRuntimeDir() {
   var scriptPath = path.fromUri(Platform.script);
   var file = path.basename(scriptPath);
   var dir = path.dirname(scriptPath);
@@ skipping 37 matching lines @@
     // The pub-cache directory is two levels up, but we verify that the layout
     // looks correct.
     if (path.basename(dir) != 'dev_compiler') return null;
     dir = path.dirname(dir);
     if (path.basename(dir) != 'global_packages') return null;
     dir = path.dirname(dir);
     return path.join(dir, cacheDir, 'lib', 'runtime');
   }
   return null;
 }